Patch 3.3.5a deployed on live realms
A bugfix patch is being deployed on live realms, detailed patch notes aren't included with the patch file but I'll assume the patch is here to fix most of the Patch 3.3.5 known issues.

Keep in mind that some of the US realms will be down for 24H.
[blizzquote author=Laetzin source=http://blue.mmo-champion.com/t/25626112551/extended-maintenance-select-realms-6-29-10/]We will be performing extended maintenance on the realms listed below on Tuesday, June 29th, beginning at 12:01 AM PDT. The maintenance is scheduled for 24 hours as we prepare for the upcoming expansion. These realms will be playable again at approximately 12:01 AM PDT on Wednesday, June 30th.

All realms not listed below will undergo scheduled maintenance beginning at 5:00am PDT and will be available for play at approximately 11:00 AM PDT

@ dawkface - I dont know whats up with your realm, but Dalaran has never crashed for me once since the patch.

It isn't the server crashing, it's the client. They screwed up royally and introduced a memory leak in 3.3.5 that causes crashes in Crystalsong Forest and Dalaran that are particularly frequent in 64-bit systems.

SERVERALERT:Weekly Maintenance, 30/06
This Wednesday all European realms will be offline from 00:01 until 12:00, Paris time.
Additionally the Armory, Account Management, Blizzard Store, Forums and the rest of our website will be unavailable from 03:00 until 05:00.
Thank you for your patience and understanding.